Sklars Vickers K-Wire Dispenser is used to store and dispense four different size wires. Dial enables for dispensing of one size at a time. This product can lock to avoid acidental dispensing to avoid mix-up. Thelarge dispenser has four chambers. Chamber 1 holds fifteen pieces of 0.070" (1.8mm) wire; Chamber 2 holds twelve pieces of 5/64" (2.0mm) wire; Chamber 3 holds ten pieces of 0.086" (2.24mm) wire; Chamber 4 holds eight pieces of 3/32" (2.5mm) wire.